<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>扩展运算符应用</title>
</head>

<body>
    <div></div>
    <div></div>
    <div></div>
    <script>
        //1. 数组的合并
        // const kuaizi = ['A', 'B'];
        // const fenghuang = ['ZY', 'LH'];

        // // const zx = kuaizi.concat(fenghuang);
        // const zx = [...kuaizi, ...fenghuang];
        // console.log(zx);

        //2. 数组的克隆
        // const szh = ['E', 'G', 'M'];
        // const syc = [...szh];
        // console.log(syc);

        //3. 将伪数组转为真正的数组
        const divs = document.querySelectorAll('div');
        console.log(divs);
        const divArr = [...divs];
        console.log(divArr);
    </script>
</body>

</html>